cp's OEIS Frontend

A099615 Triangle read by rows, 2<=k<=n: T(n,k) = denominator of (1+1/n)^k-(1+k/n) and of (1-1/n)^k-(1-k/n).

%I A099615 #8 Jul 26 2023 01:39:18
%S A099615 4,9,27,16,64,256,25,125,625,3125,36,216,1296,7776,46656,49,343,2401,
%T A099615 16807,117649,823543,64,512,4096,32768,262144,2097152,16777216,81,729,
%U A099615 6561,59049,531441,4782969,43046721,387420489,100,1000,10000,100000
%N A099615 Triangle read by rows, 2<=k<=n: T(n,k) = denominator of (1+1/n)^k-(1+k/n) and of (1-1/n)^k-(1-k/n).
%C A099615 Corresponding numerators: A099613, A099614.
%C A099615 Equals A075363 except for the leading column (k = 1) in that triangle. - _Georg Fischer_, Jul 26 2023
%F A099615 T(n, k) = n^k.
%Y A099615 Cf. A075363, A099613, A099614.
%K A099615 nonn,tabl,frac
%O A099615 1,1
%A A099615 _Reinhard Zumkeller_, Oct 25 2004